LS4 Performance - Thinking of Selling

Hello
I am thinking of selling my 05 GXP Does anybody know what I should ask for it. Fair market value. It has Magnaflow cat back exhaust, CAI intake system, MGS hot tune, extended warranty to 60,000 or 2010 with 0 debuctable, I installed the factory NAV unit took out the 6 disc still have it and it work great. It has 27000 miles on it now. Ivory White with ebony interior (grey), have factory stuff still) Tinted windows, thinking of getting a GTO. Has anybody heard anthing bad bout them?

Thanx

http://www.kbb.com
http://www.nadaguides.com
http://www.edmunds.com

For the GTO, try http://www.ls1gto.com and the GTO section of the forums.

I just so happen to have on for sale when you sell your car. Here is a link to mine. They are great cars best seats GM ever made.

http://www.ls2gto.com/forums/showthread.php?t=162184

The pricing is between $21,000 and $23,000. That is without extras and without extended warranty. Iwould like to get at least $20,000 or best offer.
Thank you